<!DOCTYPE html>
<html>

<head>
  <meta charset="UTF-8" />
  <title>Browser Ojbect Model</title>
  <style>
    body {
      width: 3000px;
      height: 3000px;
    }
  </style>
</head>

<body>
  <img src="https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png" alt="" srcset="" />

  <button id="on">开启标签</button>
  <button id="off">关闭标签</button>
  <button id="go" style="position: fixed; right: 50px; bottom: 50px">
    走你
  </button>

  <script src="./bom.js"></script>
</body>

</html>